How-To
Step-by-step guides for checking IMEI, blacklist, carrier and SIM-lock status on any phone.
How to Find Your IMEI Number on Any Phone (iPhone & Android)
Five quick ways to find the IMEI on iPhone and Android — from the dialer code to Settings, the SIM tray, and the original box.
How-ToiPhone Carrier & SIM-Lock Check: What It Means and How to Verify
Understand the difference between carrier lock and SIM lock, why it matters when buying used, and how to verify an iPhone is factory unlocked.
How-ToHow to Check iPhone Network Lock & SIM Lock Status
Verify whether an iPhone is network locked or factory unlocked, and why lock status matters for resale value and international travel.
How-ToHow to Unlock an iPhone from Its Carrier
Learn whether your iPhone is carrier-locked, who is allowed to unlock it, and the safe steps to get a factory-unlocked device.
How-ToHow to Check Any Phone’s Warranty by IMEI or Serial
Check warranty coverage on iPhone, Samsung, Google, Xiaomi and more before you buy used — by IMEI or serial number.
How-ToHow to Check If Your Phone Is Unlocked Before Traveling Abroad
Traveling soon? Confirm your phone accepts a local SIM before you fly — a quick lock check avoids expensive roaming fees.